<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
  </head>
  <body>
    <div id="app"></div>
    <script>
        const VDOMSEm = React.createElement("em",{},"em")
        const VDomSpan = React.createElement("span",{},
        "我span",VDOMSEm)
      const vDOM = React.createElement("div", {
        id: "box",
        className: "content",
      },
      "hello world",VDomSpan);
      const root = ReactDOM.createRoot(document.getElementById("app"));
      root.render(vDOM)
    </script>
  </body>
</html>
